astronomy

SECRETS OF THE DEAD
Galileo’s Moon

 

Join experts as they uncover the truth behind the find of the century: an alleged proof copy of Galileo’s “Sidereus Nuncius” with the astronomer’s signature and seemingly original watercolor paintings that changed our understanding of the cosmos.

 

 

 

NOVA
Back to the Moon

8 Days: To the Moon and Back

 

Fifty years after humans first set foot on the moon, new scientific discoveries are fueling excitement for a return to the lunar surface — this time, perhaps, to stay. Join the scientists and engineers working to make life on the moon a reality.

 

 

 

NOVA
The Planets: Inner Worlds

 

The rocky planets – Mercury, Venus, Earth and Mars – were born of similar material around the same time, yet only one supports life. Were Earth’s neighbors always so extreme? Is there somewhere else in the solar system where life might flourish?

 

 

 

NOVA
The Planets: Mars

 

Mars was once a blue water world studded with active volcanoes. But when its magnetic field and protective atmosphere faded, it became the frozen desert planet we know today. With so many necessary elements in place, did life ever form on Mars?

 

NOVA - The Planets: Mars